/*
    文件操作程序框架
*/
#include <stdio.h>
int main() {
    FILE *p_file = fopen("a.txt","w");
    /*if(p_file){
	fclose(p_file);
    	p_file = NULL;
    }*/
    if(!p_file) {
	return 0;
    }
    fclose(p_file);
    p_file = NULL;
    return 0;
}
